Ubisoft historically sells cheaper copies in Russia and the CIS. To prevent arbitrage, they region-lock language packs. If you bought a key from a grey market site (G2A, Eneba, etc.) that originated in Russia, you are likely stuck with . You cannot download French, German, or Japanese onto a CIS key.
🎮 Need a different language for Assassin’s Creed Odyssey ? Here’s how to grab the language pack.
Select the language you want from the menu. Steam will automatically begin a download for the corresponding files. Important Technical Notes